Rikulo UXL is a markup language for describing application user interfaces. It is a simple variant of XML, and allows user interfaces to be defined in a similar manner to authoring HTML and XML pages. It is compiled into Dart code and can be debugged easily.

Rikulo Gap is a bridge implementation of the Apache Cordova mobile framework (a.k.a. PhoneGap) in Dart. It enables developers to access native facilities of multiple mobile platforms using the HTML, CSS, and Dart languages.